Public Class Child Inherits Person Private _bornDate As Date Public Property bornDate() As Date Get Return _bornDate End Get Set(ByVal value As Date) _bornDate = value End Set End Property Private _parent1 As Parent Public Property parent1() As Parent Get Return _parent1 End Get Set(ByVal value As Parent) _parent1 = value End Set End Property Private _parent2 As Parent Public Property parent2() As Parent Get Return _parent2 End Get Set(ByVal value As Parent) _parent2 = value End Set End Property Private _meet As Meet Public Property meet() As Meet Get Return _meet End Get Set(ByVal value As Meet) _meet = value End Set End Property Public Sub New(id As Integer, fname As String, lname As String, gender As Boolean, address As String, born As Date, meet As Meet, Optional parent1 As Parent = Nothing, Optional parent2 As Parent = Nothing) MyBase.New(id, fname, lname, gender, address) Me.bornDate = born Me.meet = meet Me.parent1 = parent1 Me.parent2 = parent2 End Sub Public Sub New(id As Integer) MyBase.New(id) End Sub End Class